A college professor took Starbucks lingo hatred to a whole new level

College English professor and Columbia Ph.D Lynne Rosenthal refused to use Starbucks terms to order her bagel. When she was asked, "butter or cheese?" she said she just wanted a multigrain bagel, and refused say "without butter or cheese," according to the New York Post.

Why? She said that "linguistically, it's stupid." Then, she got really mad and started yelling. The barista refused to give her the bagel without her saying "without butter or cheese." Rosenthal refused to give in and just kept arguing.

Eventually, the manager called the police and they escorted her out of the store.

Starbucks prides itself on customization, but some customers take things really far

A barista at the original Starbucks in Seattle shared on Reddit the most ridiculously irritating order he ever received:

"Well, the dumbest was a trenta (barf) iced coffee with 4 add shots 16 count 'em 16 pumps of white mocha (6 in a venti usually) 6 pumps of vanilla, and then she bitched that we don't have trenta dome lids because she wants whipped cream.

"So we put whip in it anyway with a flat lid. But she freaks out that I have to charge her for all of the modifiers when it's just a trenta coffee refill that would be $.55 and tells me shes trying to lose weight. I'm thinking "BITCH YOU ON THE WRONG TRAIN", but I had to deal with her respectfully."

This customer really, really wanted to sit in a handicap parking spot

Starbucks employees in Peabody, Massachusetts had a really weird problem on their hands when one customer kept taking chairs outside into the parking lot. He'd put them in the middle of a handicap spot and would just sit there.

Some folks just want to try to beat the return system

A woman walked into a Starbucks in Bath, Ohio, picked up two coffee presses and attempted to return them — all right in front of the baristas. When the employees refused, she simply put the stuff down, left the store and drove away, according to the Fairlawn-Bath Patch.

The police confronted her at a nearby gas station, where she dug herself into a deeper hole by giving them a false name and social security number several times.

She eventually admitted to everything and received a court summons.

"I don't want your f***ing money! I don't want your f***ing coffee!"

"I got called up to the POS to handle a customer. It was the busiest part of our morning and we apparently "missed his drink" (but not really.) I asked him what he had and he started yelling at me to ask the person at the register.

"He told me he wanted his money back but still wouldn't tell me what he had. I pulled a 5 out of my drawer and handed it to him. He was causing a scene screaming at me and everyone in the store was staring. He stormed out but before I could make it to the back room came right back in. He pointed at me and told me he wanted the number to corporate.

"I took him to the condiment bar and gave him one of the "We love to hear from you" brochures along with the 180023latte. I told him again that if he would tell me what he wanted to drink I would walk back and make it for him in less than a minute so he wouldnt leave without his coffee.

"That apparently set him off. He took the $5 I gave him out of his pocket and threw it in the trash and started yelling at me. "I dont want your f***ing money! I dont want your f***ing coffee!" When I told him he needed to calm down and not use that kind of language he told me he wanted to take me outside and was going to kick my f***ing ass while poking me in the chest with his finger.

"I told him I would love to go outside with him when the cops showed up to escort him off the property. He stormed out and almost hit two people in his corvette flying out of our parking lot."

When people make a mess on the big comfy chairs, someone has to clean it up

"We have had one particular man destroy 2 of our comfy chairs by urinating in them!!! The crazy thing is that he still comes in the store! Add his child running crazy around the store and fear of urination and you have one stressful time..."

This drunk customer wanted coffee at 3 AM in a small suburb, and didn't get it

"we had the guy break throw a garbage can through our front door because he was angry we weren't open -- it was 3am in a tiny suburb, hellz no we aren't open to serve coffee to your drunk and underage ass -- and threw every bottled beverage against a wall. he cut himself on the broken glass, and stole our mr. potatohead doll from the kids' toybox. the police found him passed out and bloody in the parking lot."

These baristas messed up, but this is probably an overreaction

"Thursday morning, I was standing at Starbucks awaiting my grande nonfat no-whip mocha when a stylishly coiffed 30-something woman with coffee stains all over her summer khakis stormed into the middle of the store, threw up her hands and staccato screeched at the baristas, How ... about ... making sure ... the lid is on?!

"She then stomped outside, steered her car onto the front sidewalk, jumped out with the remaining coffee and hurled the entire cup at the Starbucks front door. And then she was gone."

But sometimes when you've got to go, you've got to go

"Late last year, some guy was in line for the bathroom, and he kept hollaring and banging on the door impatiently. After about a minute, this normal looking, white, middle class man announces to the entire lobby that "F*** I can't take it!! I have to S*** NOW!!"

"He proceeded to drop his pants and take a diarrhea-like number two in our lobby- in front of everyone in the store.

"No one moved for about ten minutes, even after the man had pulled up his pants and left. WTF is wrong with people??"

Baristas — and customers — in this Starbucks never expected to be attacked by an anarchist mob

These weren't "customers," but this certainly wasn't in the job description for baristas at this Starbucks in Manhattan's Astor Place.

A 25-person team of masked, pipe-wielding anarchists tried to smash the windows of the store. Nobody inside was hurt. The Astor Place Starbucks has Plexiglas windows that the mob couldn't break through. Three men were arrested as a result of the incident, according to the NY Daily News.

Boston baristas have to deal with the Honey Man

The pervy antics of the "Honey Man" in the Boston area are quite strange. One commenter at Starbucks Gossip describes his reign of terror concisely:

"Honey man orders zen tea, asks for honey packets,and then proceeds to the mens room and eventually leaves a pile of honey and DNA on the rest room floor. He has been banned from every Starbucks in the metro Boston area."